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 ###Instrução: Qual apelido tem uma localização de Southern River?
 ###Tabelas: CREATE TABLE current_clubs (current_clubs_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Nickname VARCHAR, Location VARCHAR, Home ground(s) VARCHAR, Coach VARCHAR, Captain VARCHAR) CREATE TABLE pga_tour_8 (pga_tour_8_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR) CREATE TABLE 2010_post_classic_senior_class_practice_times_and_leaderboard (2010_post_classic_senior_class_practice_times_and_leaderboard_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Sat 21 Aug VARCHAR, Mon 23 Aug VARCHAR, Tues 24 Aug VARCHAR, Wed 25 Aug VARCHAR, Thurs 26 Aug VARCHAR, Fri 27 Aug VARCHAR, Sat 28 Aug VARCHAR) CREATE TABLE 2007_data (2007_data_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Airport VARCHAR, Total Passengers INT, % Change 2006/2007 VARCHAR, International Passengers INT, Domestic Passengers INT, Transit Passengers INT, Aircraft Movements INT, Freight (Metric Tonnes) INT) CREATE TABLE 1996_squad_statistics (1996_squad_statistics_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Position VARCHAR, Tries INT, Goals INT, Points INT)  
SELECT Nickname FROM current_clubs WHERE Location = southern river